Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Wichita, KS

April 7, 2021Chase County, Marion County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 7, 2021, 1:35 AM CDT for Chase County, Marion County, Kansas. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 7, 2021, 1:35 AM CDT (06:35 UTC)
Expired: Apr 7, 2021, 1:58 AM CDT
In force: 23 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Chase County, KS, Marion County, KS

The radar

The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 06:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 6, 9:06 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.6 hours before the alert went out and 119 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 342 J/kg
Mixed-layer CIN: -206 J/kg
Mixed-layer LCL: 1225 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WUUS53 KICT 070635
SVRICT
KSC017-115-070745-
/O.NEW.KICT.SV.W.0019.210407T0635Z-210407T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wichita KS
135 AM CDT Wed Apr 7 2021

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for...
  Chase County in east central Kansas...
  Central Marion County in central Kansas...

* Until 245 AM CDT.

* At 134 AM CDT, a severe thunderstorm was located just west 
  of Marion, moving east at 35 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Hillsboro, Marion, Cottonwood Falls, Strong City, Florence,
  Lincolnville, Bazaar, Elmdale, Cedar Point, Hymer, Marion Lake,
  Tallgrass Prairie, Pilsen, Saffordville and Tallgrass Prairie
  Preserve.

This includes Interstate 35 between Mile Markers 107 and 116.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3819 9636 3818 9724 3852 9720 3852 9635
TIME...MOT...LOC 0634Z 267DEG 27KT 3833 9706 

HAIL...0.88IN
WIND...60MPH
 
$$

DARMOFAL

1 follow-up statement

838 
WWUS53 KICT 070658
SVSICT

Severe Weather Statement
National Weather Service Wichita KS
158 AM CDT Wed Apr 7 2021

KSC017-115-070707-
/O.CAN.KICT.SV.W.0019.000000T0000Z-210407T0745Z/
Chase KS-Marion KS-
158 AM CDT Wed Apr 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR CHASE AND CENTRAL MARION
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central and east central Kansas.

LAT...LON 3819 9636 3818 9724 3852 9720 3852 9635
TIME...MOT...LOC 0655Z 267DEG 27KT 3834 9683 

$$

DARMOFAL

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 6, 7:21 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Russell	54 min
Apr 6, 8:09 PM CDT	Special Weather Statement	ICT	Lincoln	36 min
Apr 6, 8:14 PM CDT	Special Weather Statement	ICT	Barton	31 min
Apr 6, 8:21 PM CDT	Severe Thunderstorm Warning	ICT	Barton	54 min
Apr 6, 8:27 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Lincoln	45 min
Apr 6, 8:28 PM CDT	Special Weather Statement	ICT	Russell	32 min
Apr 6, 9:03 PM CDT	Special Weather Statement	ICT	Saline	57 min
Apr 6, 9:13 PM CDT	Special Weather Statement	ICT	Barton, Ellsworth, Lincoln	62 min
Apr 6, 9:35 PM CDT	Severe Thunderstorm Warning	ICT	Barton	55 min
Apr 6, 10:13 PM CDT	Severe Thunderstorm Warning	ICT	Barton	49 min
Apr 6, 10:25 PM CDT	Special Weather Statement	ICT	Ellsworth, Saline	35 min
Apr 6, 10:31 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Rice	59 min
Apr 6, 10:54 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Rice	66 min
Apr 6, 11:41 PM CDT	Severe Thunderstorm Warning	ICT	Rice	40 min
Apr 6, 11:56 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, McPherson, Rice, Saline	25 min
Apr 6, 11:59 PM CDT	Special Weather Statement	ICT	Harper, Kingman	61 min
Apr 7, 12:23 AM CDT	Special Weather Statement	ICT	Harvey, McPherson, Saline	67 min
Apr 7, 12:52 AM CDT	Wind Advisory	ICT	Barton, Ellsworth, Lincoln, Reno, Rice, Russell	17 hr
Apr 7, 12:56 AM CDT	Special Weather Statement	ICT	Harper	64 min
Apr 7, 1:15 AM CDT	Special Weather Statement	ICT	McPherson, Marion	45 min
Apr 7, 1:59 AM CDT	Special Weather Statement	ICT	Chase	46 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.